5-ethyl-1-[2-(1H-indol-3-yl)ethyl]-4-hydroxy-6-oxo-1,2,5,6-tetrahydro-3-pyridinecarboxylic acid ethyl ester

(3R)-1-(2-(1H-indol-3-yl)ethyl)-3-ethyl-4-hydroxy-3-(3-hydroxypropyl)piperidin-2-one

3-ethyl-1-[2-(1H-indol-3-yl)ethyl]-2,4-piperidinedione

长春胺

(R)-3-ethyl-1-[2-(1H-indol-3-yl)ethyl]-2,4-dioxo-3-piperidinepropanoic acid

tert-butyl (S)-3-(2-(3-(3-((tert-butyldiphenylsilyl)oxy)propyl)-3-ethyl-2-oxopiperidin-1-yl)ethyl)-1H-indole-1-carboxylate